Repair and replace damaged or worn parts.

Test mechanical products and equipment after repair or assembly to ensure proper performance and compliance with manufacturers' specifications.

Operate and inspect machines or heavy equipment to diagnose defects.

Read and understand operating manuals, blueprints, and technical drawings.

Dismantle and reassemble heavy equipment using hoists and hand tools.

Overhaul and test machines or equipment to ensure operating efficiency.

Adjust, maintain, and repair or replace subassemblies, such as transmissions and crawler heads, using hand tools, jacks, and cranes.

Repair, rewire, and troubleshoot electrical systems.

Diagnose faults or malfunctions to determine required repairs, using engine diagnostic equipment such as computerized test equipment and calibration devices.

Examine parts for damage or excessive wear, using micrometers and gauges.